CN114277682A - Civil engineering's road and bridge self-propelled survey device - Google Patents
Civil engineering's road and bridge self-propelled survey device Download PDFInfo
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- CN114277682A CN114277682A CN202210087902.8A CN202210087902A CN114277682A CN 114277682 A CN114277682 A CN 114277682A CN 202210087902 A CN202210087902 A CN 202210087902A CN 114277682 A CN114277682 A CN 114277682A
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- 238000001514 detection method Methods 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 20
- 230000006698 induction Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009975 flexible effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
The invention discloses a self-propelled survey device for roads and bridges in civil engineering, which comprises: a frame main body; the driving wheels are symmetrically arranged at the four-angle positions of the lower end surface of the frame main body in a relatively rotating way; the scanning camera is arranged on one side of the driving direction of the vehicle frame main body and is used for carrying out primary scanning observation on the road and the bridge; the horizontal position surveying component is arranged in the frame main body and is used for carrying out real-time horizontal surveying on the slope radian and the horizontal plane of the road and the bridge when the frame main body runs; and the contact detection assembly is arranged below the horizontal surveying assembly in the frame body, can be abutted against and contacted on the surface of the road bridge and is used for positioning and detecting gaps to be filled of the road bridge on sections of the horizontal, longitudinal and transverse sections.
Description
Technical Field
The invention belongs to the technical field of civil engineering survey equipment, and particularly relates to a high-efficiency paper smashing device for financial bill management.
Background
The road survey relates to the problems which are mainly related to the construction of a highway bridge in time, and the quality of a road survey design result directly influences traffic safety, traffic capacity, engineering cost and the like; in road and bridge exploration, after a bridge is constructed, because the safety of the bridge needs to be tested, cracks on a bridge road are important factors influencing the safety of the bridge; therefore, the cracks at the bridge segment joints of the bridge need to be surveyed, and at present, a high-definition scanning camera is mostly adopted for carrying out pavement imaging scanning, but the high-definition scanning camera is easily influenced by weather light and environmental factors, so that the shooting definition is not high, and the depth of the cross section of the cracks can be effectively measured; the effect is not great in road section leveling survey; the detection of the slope plane of the bridge section mostly needs to be surveyed through a surveying instrument twice or many times, the whole device is heavy, the movement is difficult, and the surveying efficiency is low. Accordingly, one skilled in the art provides a civil engineering road bridge self-propelled survey apparatus to solve the problems set forth in the background art described above.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a civil engineering's road and bridge self-propelled survey device, it includes:
a frame main body;
the driving wheels are symmetrically arranged at the four-angle positions of the lower end surface of the frame main body in a relatively rotating way;
the scanning camera is arranged on one side of the driving direction of the vehicle frame main body and is used for carrying out primary scanning observation on the road and the bridge;
the horizontal position surveying component is arranged in the frame main body and is used for carrying out real-time horizontal surveying on the slope radian and the horizontal plane of the road and the bridge when the frame main body runs; and
the contact detection assembly is arranged below the horizontal surveying assembly in the frame body and can abut against and contact the surface of the road bridge and is used for positioning and detecting gaps to be filled of the road bridge sections.
Further, preferably, the level survey assembly comprises:
the fixed ring seat is embedded in the frame main body;
the guide ring pipe is coaxially sleeved outside the fixed ring seat, and flowing oil is quantitatively stored in the guide ring pipe;
the liquid supplementing cylinder is transversely fixed in the frame main body, one end of the liquid supplementing cylinder is communicated with the guide ring pipe, and zero point scales are symmetrically arranged in the middle of the guide ring pipe; and
the inertia separation device is coaxially arranged in the fixed ring seat in a relatively rotating manner, the fixed ring seat is arranged on the frame main body in a relatively deflecting manner, and the inertia separation device is used for driving the fixed ring seat to deflect circumferentially and separating flowing oil adhered to the high-position inner wall of the flow guide ring pipe under the inertia resetting action so that the flowing oil can be collected at the low-position part of the flow guide ring pipe in time.
Further, preferably, the method further comprises:
the drainage groove is a plurality of and is arranged for the circumference, and the cross section of each drainage groove is constructed into semicircular structure, is equipped with the scale bar on the inner wall of drainage groove.
Further, preferably, the inertia disengaging device includes:
the inner ring piece is arranged in the frame main body in a relatively rotating manner, and a supporting rod is hinged on the inner ring piece;
the transmission wheel is arranged at the other end of the supporting rod in a relatively rotating manner;
the ejection part is fixed on the inner wall of the fixed ring seat, the inner wall of the ejection part, which is close to one side of the transmission wheel, is of an arc structure, and the transmission wheel is abutted and contacted with the ejection part;
the limiting block is fixed in the frame main body, an inner spring is connected to the limiting block, and the other end of the inner spring is connected with the jacking block; and
the inner rotating shaft is arranged in the inner ring piece in a relatively rotating mode, an outer spring is connected to the transfer wheel, and one end of the outer spring is connected to the inner rotating shaft and used for positioning and adjusting an initial point position of the transfer wheel protruding out of the inner ring piece relatively.
Further, preferably, the contact detection module includes:
the mounting main frame is arranged in the frame main body in a relatively vertical sliding manner;
the hydraulic telescopic rod is vertically fixed in the frame main body, and the output end of the hydraulic telescopic rod is connected and fixed with the mounting main frame;
the multipoint detection devices are uniformly arranged and are vertically and relatively slidably arranged in the installation main frame; and
the cross section contact survey device is vertically arranged on one side, far away from the multipoint detection device, of the installation main frame, and the cross section contact survey device can detect the cross section inclination of a gap to be filled in a cross section road section of a road and a bridge in horizontal displacement.
Further, preferably, the multipoint detection device includes:
the inner connecting rod is vertically and relatively slidably limited and arranged in the mounting main frame, and the lower end of the inner connecting rod is rotatably provided with a roller body;
the connecting springs are arranged at the upper ends of the inner link rods, and the upper ends of the connecting springs are connected with induction joints; and
and the stress sheets are arranged in one-to-one correspondence with the induction joints, and one ends of the induction joints are in press fit contact with the stress sheets.
Further, preferably, the cross-sectional contact survey apparatus comprises:
connecting the frame body;
the threaded rod is arranged in the connecting frame body in a relatively rotating manner, a telescopic guide rod is also vertically arranged on the connecting frame body in a relatively sliding manner, and one end of the telescopic guide rod is sleeved on the threaded rod through a thread meshing effect;
the universal wheel is arranged at the lower end of the telescopic guide rod, the telescopic guide rod is constructed into a two-section telescopic structure, and a limiting spring is arranged in the telescopic guide rod;
the sealing shaft tube is symmetrically and obliquely fixed on two sides of the telescopic guide rod, a piston body is arranged in the sealing shaft tube in a relatively sliding manner, and one end of the piston body extends out of the sealing shaft tube and is in contact with the section of a gap to be filled of a road bridge through a contact wheel;
the bearing spring is arranged in the sealing shaft tube and is abutted and contacted with the piston body; and
and the transmission plug is arranged in the sealing shaft tube in a sliding manner, and the sealing shaft tube is positioned at the transmission plug and is filled with metering liquid.
Further, preferably, the method further comprises:
and the standard pipe is communicated with the sealing shaft pipe, and a liquid level meter is arranged in the standard pipe and used for measuring the momentum of the liquid to be measured in the standard pipe.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, a level survey component and a contact detection component are arranged in a frame main body, wherein the frame main body is driven by a driving wheel, a scanning camera is used for carrying out primary scanning on a road bridge, and the level survey component and the contact detection component can carry out corresponding level survey and positioning detection on a gap to be filled on the road bridge in real time during driving; the frame main body is internally provided with a flow guide ring pipe, flowing oil is stored in the flow guide ring pipe, when the frame main body runs along the slope surface of the road and bridge, the flowing oil in the flow guide ring pipe can correspondingly flow, and the liquid level difference of the flowing oil on two sides is calculated by taking the circle center of the fixed ring seat as the center, so that the road and bridge can be horizontally surveyed in real time, and the contour line of the road and bridge can be conveniently drawn in proportion in the later period; for surveying the gaps to be filled of the road and bridge sections with the horizontal, longitudinal and transverse cross sections, the multipoint detection device can be used for carrying out primary surface survey, and then the cross section contact survey device is used for realizing cross section inclination detection in horizontal displacement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the construction of the level survey assembly of the present invention;
FIG. 3 is a schematic structural view of a drainage groove of the present invention;
FIG. 4 is a schematic view of the inertial disengagement apparatus of the present invention;
FIG. 5 is a schematic view of a contact detection assembly according to the present invention;
FIG. 6 is a schematic structural diagram of the multipoint detection device according to the present invention;
FIG. 7 is a schematic structural view of a cross-sectional contact survey apparatus of the present invention;
in the figure: the device comprises a frame body 1, a driving wheel 2, a scanning camera 3, a contact detection component 4, a main mounting frame 41, a hydraulic telescopic rod 42, a horizontal position survey component 5, a fixed ring seat 51, a guide ring pipe 52, a liquid supplementing cylinder 53, a drainage groove 54, an inertia separation device 6, an inner ring piece 61, an inner rotating shaft 62, a supporting rod 63, a transmission wheel 64, a jacking piece 65, an inner spring 66, an outer spring 67, a multipoint detection device 7, an inner link rod 71, an induction joint 72, a connecting spring 73, a stress sheet 74, an 8-section contact survey device, a connecting frame body 81, a threaded rod 82, a telescopic guide rod 83, a sealing shaft pipe 84, a piston body 85, a bearing spring 86 and a standard pipe 87.
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, a civil engineering road and bridge self-propelled surveying apparatus includes:
a frame body 1;
the driving wheel 2 is symmetrically arranged at the four-angle position of the lower end surface of the frame body 1 in a relatively rotating way;
the scanning camera 3 is arranged on one side of the vehicle frame main body 1 in the driving direction and is used for carrying out primary scanning observation on the road and bridge;
the leveling survey component 5 is arranged in the frame main body 1, and the leveling survey component 5 is used for carrying out real-time leveling survey on the slope radian and the horizontal plane of a road and a bridge when the frame main body 1 runs; and
contact detecting element 4 sets up lie in the flat position in the frame main part 1 and survey 5 below of subassembly, contact detecting element 4 can support to lean on the contact on road and bridge surface to be used for filling up the gap and carry out the location detection to the level of road and bridge, indulge, each section highway section of crossing.
In this embodiment, the level survey module 5 comprises:
a stationary ring seat 51 embedded in the frame body 1;
the guide ring pipe 52 is coaxially sleeved outside the fixed ring seat 51, and flowing oil liquid is quantitatively stored in the guide ring pipe 52;
the liquid supplementing cylinder 53 is transversely fixed in the frame main body 1, one end of the liquid supplementing cylinder 53 is communicated with the guide ring pipe 52, and zero point scales are symmetrically arranged in the middle of the guide ring pipe 52; and
the inertia separation device 6 is coaxially arranged in the fixed ring seat 51 in a relatively rotatable manner, the fixed ring seat 51 is arranged on the frame main body 1 in a relatively deflectable manner, the inertia separation device 6 is used for driving the fixed ring seat 51 to deflect circumferentially and separating flowing oil adhered to the high-position inner wall of the flow guide ring pipe 52 under the action of inertia reset, so that the flowing oil can be collected at the low position of the flow guide ring pipe 52 in time, and particularly when the radian of the slope surface of a road bridge is relatively large, the flowing oil can be effectively prevented from being excessively adhered to the inner wall of the flow guide ring pipe, the volume of the flowing oil is reduced, and the reading calculation is not accurate enough.
As a preferred embodiment, the method further comprises the following steps:
In this embodiment, the inertial detachment device 6 includes:
the inner ring piece 61 is arranged in the frame main body 1 in a relatively rotatable manner, and a support rod 63 is hinged on the inner ring piece 61;
a transmission wheel 64 which is arranged at the other end of the supporting rod 63 in a relatively rotatable manner;
the jacking piece 65 is fixed on the inner wall of the fixed ring seat 51, the inner wall of the jacking piece 65, which is close to one side of the transmission wheel 64, is of an arc-shaped structure, and the transmission wheel 64 is abutted and contacted with the jacking piece 65;
the limiting block is fixed in the frame main body 1, an inner spring 66 is connected to the limiting block, and the other end of the inner spring 66 is connected with the jacking block 65; and
the inner rotating shaft 62 is arranged in the inner ring piece 61 in a relatively rotating mode, an outer spring 67 is connected to the transmission wheel 62, one end of the outer spring 67 is connected to the inner rotating shaft 62 and used for positioning and adjusting an initial point position of the transmission wheel 64 protruding out of the inner ring piece 61, the initial point position of the transmission wheel protruding out of the transmission wheel is adjusted through independent rotation of the inner ring piece, the inner rotating shaft and the inner ring piece rotate anticlockwise synchronously, the fixed ring seat is partially deflected and pressed through the top position block, the outer spring and the inner spring are in a compression state, the transmission wheel is pressed into the inner rotating shaft in the limit position, the fixed ring seat is deflected and reset, and inertial deflection is conducted under the elastic force action of the inner spring.
In this embodiment, the contact detecting unit 4 includes:
the mounting main frame 41 is arranged inside the frame body 1 and can slide relatively to the vertical direction;
the hydraulic telescopic rod 42 is vertically fixed in the frame main body 1, and the output end of the hydraulic telescopic rod 42 is connected and fixed with the installation main frame 41;
a plurality of multipoint detection devices 7 arranged in a uniform manner, wherein each multipoint detection device 7 is vertically and relatively slidably arranged in the installation main frame 41; and
cross-section contact survey device 8, vertical setting is in keep away from on the installation body frame 41 one side of multiple spot detection device 7, cross-section contact survey device 8 can wait to fill the gap in the section highway section of road and bridge in horizontal displacement and carry out the cross-section inclination and detect, and it needs to notice that this multiple spot detection device all is certain pressure with cross-section contact survey device and supports and lean on road and bridge surface through hydraulic telescoping rod's vertical flexible effect.
In this embodiment, the multipoint detection device 7 includes:
the inner link 71 is limited in the installation main frame 41 in a vertically and relatively sliding way, and the lower end of the inner link 71 is rotatably provided with a roller body;
the connecting springs 73 are arranged at the upper ends of the inner link rods 71, and the upper ends of the connecting springs 73 are respectively connected with an induction joint 72; and
As a preferred embodiment, the cross-sectional contact survey apparatus 8 comprises:
a connection frame body 81;
the threaded rod 82 is arranged in the connecting frame body 81 in a relatively rotating manner, the connecting frame body 81 is also provided with a telescopic guide rod 83 in a relatively sliding vertical manner, and one end of the telescopic guide rod 83 is sleeved on the threaded rod 82 through a threaded engagement effect;
the universal wheel is arranged at the lower end of the telescopic guide rod 83, the telescopic guide rod 83 is in a two-section telescopic structure, and a limiting spring is arranged in the telescopic guide rod 83;
the sealing shaft tube 84 is symmetrically and obliquely fixed on two sides of the telescopic guide rod 83, a piston body 85 is arranged in the sealing shaft tube 84 in a relatively sliding manner, and one end of the piston body 85 extends out of the sealing shaft tube 84 and is in contact with the section of a gap to be filled of a road and a bridge through a contact wheel;
a receiving spring 86 disposed in the sealing shaft tube 84 and abutting against the piston body 85; and
and the transmission plug is arranged in the sealing shaft tube 84 in a sliding mode, and the sealing shaft tube 84 is filled with metering liquid at the position of the transmission plug.
In this embodiment, the method further includes:
the standard pipe 87 is communicated with the sealing shaft pipe 84, a liquid level meter is arranged in the standard pipe 87 and is used for measuring the flow quantity of the measuring liquid in the standard pipe 87, wherein the frame main body can correspondingly stop at a gap to be filled, at the moment, the threaded rod enables the telescopic guide rod to move to the other side along one side of the section of the gap to be filled under the rotation action of the threaded rod, and the piston body in the corresponding sealing shaft pipe is in contact with the section of the gap to be filled of the road and bridge through the contact wheel, so that the contact detection can be effectively carried out on the inclination of the section of the gap to be filled; wherein, flexible guide arm can be based on the preliminary detected value location of multiple spot detection device and treat filling gap center department.
Specifically, in bridge road surveying, the frame main body can drive on a bridge road through the driving wheels, the multipoint detection device can be pressed against the surface of the multipoint detection device at constant pressure and carries out gap surveying on the surface in real time, and after the multipoint detection device preliminarily detects a gap section outline to be filled in a section road section of the road bridge, the section contact surveying device carries out section inclination detection on the gap to be filled in horizontal displacement, so that subsequent filling work is facilitated; and the level survey subassembly can survey the domatic radian of road and bridge, especially can carry out accurate calculation to the horizontal plane difference of the section highway section junction of road and bridge to realize self-propelled real-time surveying work.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a civil engineering's road and bridge self-propelled survey device which characterized in that: it includes:
a frame body (1);
the driving wheel (2) is symmetrically arranged at the four corners of the lower end surface of the frame body (1) in a relatively rotating way;
the scanning camera (3) is installed on one side of the driving direction of the vehicle frame main body (1) and is used for carrying out primary scanning observation on the road and the bridge;
the horizontal position surveying component (5) is arranged in the frame main body (1), and the horizontal position surveying component (5) is used for carrying out real-time horizontal surveying on the slope radian and the horizontal plane of a road and a bridge when the frame main body (1) is in running; and
contact detection subassembly (4), set up be located the flat position in frame main part (1) and survey subassembly (5) below, contact detection subassembly (4) can support to lean on the contact on road and bridge surface for to the level of road and bridge, indulge, each section highway section wait to fill up the gap and carry out the location detection.
2. The civil engineering road and bridge self-propelled survey device of claim 1, wherein: the level survey assembly (5) comprises:
the fixing ring seat (51) is embedded in the frame main body (1);
the guide ring pipe (52) is coaxially sleeved outside the fixed ring seat (51), and flowing oil liquid is quantitatively stored in the guide ring pipe (52);
the liquid supplementing cylinder (53) is transversely fixed in the frame main body (1), one end of the liquid supplementing cylinder (53) is communicated with the guide ring pipe (52), and zero point scales are symmetrically arranged in the middle of the guide ring pipe (52); and
the inertia separation device (6) is coaxially arranged in the fixed ring seat (51) in a relatively rotating mode, the fixed ring seat (51) can be arranged on the frame main body (1) in a relatively deflecting mode, the inertia separation device (6) is used for driving the fixed ring seat (51) to deflect circumferentially, and the inertia separation device separates flowing oil adhered to the high-position inner wall of the flow guide ring pipe (52) under the inertia resetting effect, so that the flowing oil can be collected at the low position of the flow guide ring pipe (52) in time.
3. The civil engineering road and bridge self-propelled survey device of claim 2, wherein: further comprising:
the drainage groove (54) is a plurality of circumferentially arranged drainage grooves, the cross section of each drainage groove (54) is in a semicircular structure, and a scale bar is arranged on the inner wall of each drainage groove (54).
4. A civil engineering road and bridge self-propelled survey apparatus according to claim 3, characterised in that: the inertial disengagement device (6) comprises:
the inner ring piece (61) is arranged in the frame main body (1) in a relatively rotatable manner, and a support rod (63) is hinged on the inner ring piece (61);
the transmission wheel (64) is arranged at the other end of the supporting rod (63) in a relatively rotating manner;
the jacking part (65) is fixed on the inner wall of the fixed ring seat (51), the inner wall of the jacking part (65) close to one side of the transmission wheel (64) is of an arc-shaped structure, and the transmission wheel (64) is abutted and contacted with the jacking part (65);
the limiting block is fixed in the frame main body (1), an inner spring (66) is connected to the limiting block, and the other end of the inner spring (66) is connected with the jacking block (65); and
the inner rotating shaft (62) is arranged in the inner ring piece (61) in a relatively rotating mode, an outer spring (67) is connected to the transmission wheel (62), and one end of the outer spring (67) is connected to the inner rotating shaft (62) and used for positioning and adjusting an initial point position of the transmission wheel (64) protruding out of the inner ring piece (61) relatively.
5. The civil engineering road and bridge self-propelled survey device of claim 1, wherein: the contact detection assembly (4) comprises:
the mounting main frame (41) is arranged in the frame main body (1) in a relatively vertical sliding manner;
the hydraulic telescopic rod (42) is vertically fixed in the frame main body (1), and the output end of the hydraulic telescopic rod (42) is connected and fixed with the mounting main frame (41);
the multipoint detection devices (7) are uniformly arranged, and each multipoint detection device (7) is vertically and relatively slidably arranged in the installation main frame (41); and
the cross section contact survey device (8) is vertically arranged on one side, far away from the multipoint detection device (7), of the installation main frame (41), and the cross section contact survey device (8) can detect the cross section inclination of a gap to be filled in a cross section road section of a road and bridge in horizontal displacement.
6. The civil engineering road and bridge self-propelled survey device of claim 5, wherein: the multipoint detection device (7) comprises:
the inner connecting rod (71) is limited in the installation main frame (41) in a vertically and relatively sliding mode, and a roller body is rotatably arranged at the lower end of the inner connecting rod (71);
the connecting springs (73) are arranged at the upper ends of the inner link rods (71), and the upper ends of the connecting springs (73) are respectively connected with an induction joint (72); and
stress sheets (74) are arranged in one-to-one correspondence with the induction joints (72), and one ends of the induction joints (72) are in press fit contact with the stress sheets (74).
7. The civil engineering road and bridge self-propelled survey device of claim 5, wherein: the cross-sectional contact survey apparatus (8) comprises:
a connecting frame body (81);
the threaded rod (82) is arranged in the connecting frame body (81) in a relatively rotating mode, a telescopic guide rod (83) is vertically arranged on the connecting frame body (81) in a relatively sliding mode, and one end of the telescopic guide rod (83) is sleeved on the threaded rod (82) through a threaded engagement effect;
the universal wheel is arranged at the lower end of the telescopic guide rod (83), the telescopic guide rod (83) is constructed into a two-section telescopic structure, and a limiting spring is further arranged in the telescopic guide rod;
the sealing shaft tube (84) is symmetrically and obliquely fixed on two sides of the telescopic guide rod (83), a piston body (85) is arranged in the sealing shaft tube (84) in a relatively sliding manner, and one end of the piston body (85) extends out of the sealing shaft tube (84) and is in contact with the section of a gap to be filled of a road bridge through a contact wheel;
a receiving spring (86) which is arranged in the sealing shaft tube (84) and is abutted and contacted with the piston body (85); and
the transmission plug is arranged in the sealing shaft tube (84) in a sliding mode, and the sealing shaft tube (84) is filled with metering liquid at the position of the transmission plug.
8. The civil engineering road and bridge self-propelled survey device of claim 7, wherein: further comprising:
and the standard pipe (87) is communicated with the sealing shaft pipe (84), and a liquid level meter is arranged in the standard pipe (87) and is used for measuring the flow momentum of the measuring liquid in the standard pipe (87).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210087902.8A CN114277682A (en) | 2022-01-25 | 2022-01-25 | Civil engineering's road and bridge self-propelled survey device |
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| CN202210087902.8A CN114277682A (en) | 2022-01-25 | 2022-01-25 | Civil engineering's road and bridge self-propelled survey device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116164653A (en) * | 2023-04-23 | 2023-05-26 | 安徽建筑大学 | Road and bridge concrete structure detection device |
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| CN113390968A (en) * | 2021-06-15 | 2021-09-14 | 杨晓明 | Steel rail detection method for railway construction |
| CN113884494A (en) * | 2021-08-16 | 2022-01-04 | 贵州民族大学 | Detection mechanism for apparent defects of civil engineering structure |
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| CN116164653A (en) * | 2023-04-23 | 2023-05-26 | 安徽建筑大学 | Road and bridge concrete structure detection device |
| CN116164653B (en) * | 2023-04-23 | 2023-12-15 | 安徽建筑大学 | Road and bridge concrete structure detection device |
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